<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_View
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id: PaginationControl.php 23775 2011-03-01 17:25:24Z ralph $
 */

/**
 * @category   Zend
 * @package    Zend_View
 * @copyright  Copyright (c) 2005-2011 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Nuo_View_Helper_Paging
{
	/**
	 * View instance
	 *
	 * @var Zend_View_Instance
	 */
	public $view = null;

	/**
	 * Default view partial
	 *
	 * @var string|array
	 */
	protected static $_defaultViewPartial = null;

	/**
	 * Sets the view instance.
	 *
	 * @param  Zend_View_Interface $view View instance
	 * @return Zend_View_Helper_PaginationControl
	 */
	public function setView(Zend_View_Interface $view)
	{
		$this -> view = $view;
		return $this;
	}

	/**
	 * Sets the default view partial.
	 *
	 * @param string|array $partial View partial
	 */
	public static function setDefaultViewPartial($partial)
	{
		self::$_defaultViewPartial = $partial;
	}

	/**
	 * Gets the default view partial
	 *
	 * @return string|array
	 */
	public static function getDefaultViewPartial()
	{
		return self::$_defaultViewPartial;
	}

	public function getScrollingStyle()
	{
		return 'Sliding';
	}

	public function getViewPartial()
	{
		return 'pagination/search.phtml';
	}

	/**
	 * Render the provided pages.  This checks if $view->paginator is set and,
	 * if so, uses that.  Also, if no scrolling style or partial are specified,
	 * the defaults will be used (if set).
	 *
	 * @param  Zend_Paginator (Optional) $paginator
	 * @param  string $scrollingStyle (Optional) Scrolling style
	 * @param  string $partial (Optional) View partial
	 * @param  array|string $params (Optional) params to pass to the partial
	 * @return string
	 * @throws Zend_View_Exception
	 */
	public function paging(Zend_Paginator $paginator = null, $scrollingStyle = null, $partial = null, $params = null)
	{

		if (NULL == $scrollingStyle)
		{
			$scrollingStyle = $this -> getScrollingStyle();
		}

		if (NULL == $partial)
		{
			$partial = $this -> getViewPartial();
		}

		$pages = get_object_vars($paginator -> getPages($scrollingStyle));

		if ($params !== null)
		{
			$pages = array_merge($pages, (array)$params);
		}

		if (is_array($partial))
		{
			if (count($partial) != 2)
			{
				/**
				 * @see Zend_View_Exception
				 */
				require_once 'Zend/View/Exception.php';
				$e = new Zend_View_Exception('A view partial supplied as an array must contain two values: the filename and its module');
				$e -> setView($this -> view);
				throw $e;
			}

			if ($partial[1] !== null)
			{
				return $this -> view -> partial($partial[0], $partial[1], $pages);
			}

			$partial = $partial[0];
		}

		return $this -> view -> partial($partial, $pages);
	}

}
